Dyfyniad APA

O'Sullivan, A., Sheffin, S. M., & Perez, S. J. (2013). Microeconomics: Principles, applications, and tools (Eight edition.). Pearson.

Dyfyniad Arddull Chicago

O'Sullivan, Arthur, Steven M. Sheffin, and Stephen J. Perez. Microeconomics: Principles, Applications, and Tools. Eight edition. London, UK: Pearson, 2013.

Dyfyniad MLA

O'Sullivan, Arthur, et al. Microeconomics: Principles, Applications, and Tools. Eight edition. Pearson, 2013.

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